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Basic Research in Plasma Medicine - A Throughput Approach from Liquids to Cells
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Function and dysfunction of plasma cells in intestine.

Xue Wang1, Gui-Liang Hao1, Bo-Ya Wang2

  • 11School of Basic Medical Sciences, Xuanwu Hospital, Beijing Capital Medical University, Beijing, 100069 China.

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|March 27, 2019
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Summary

Plasma cells (PCs) are key to humoral immunity, producing antibodies like IgA, IgM, and IgG. These cells are vital for maintaining intestinal health and homeostasis through immunomodulation.

Keywords:
AntibodyFood allergyImmunomodulationInflammatory bowel diseaseIntestinePlasma cellsTumors

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Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Antibodies are central to humoral immunity, with plasma cells (PCs) serving as their primary producers.
  • Plasma cells, identified by the CD138 marker, reside in lymphoid tissues including spleen, lymph nodes, bone marrow, and mucosal tissues.

Purpose of the Study:

  • To review the origin, differentiation, and characteristics of short- and long-lived plasma cells.
  • To explore the antibody secretion profiles (IgA, IgM, IgG) of plasma cells.
  • To highlight the role of plasma cells in maintaining intestinal homeostasis via immunomodulation.

Main Methods:

  • Literature review of plasma cell biology and function.
  • Analysis of plasma cell markers and tissue distribution.
  • Examination of mechanisms underlying plasma cell-mediated immunomodulation.

Main Results:

  • Plasma cells originate and differentiate through specific pathways.
  • Distinct characteristics define short-lived and long-lived plasma cell populations.
  • Plasma cells secrete various antibody isotypes crucial for immunity.

Conclusions:

  • Plasma cells are essential for humoral immunity and antibody production.
  • Plasma cells play a significant role in regulating intestinal homeostasis through complex immunomodulatory mechanisms.
  • Further research is needed to fully elucidate the diverse functions of intestinal plasma cells.